Photoinduced effects and oxygen dynamics in YBa2Cu3Ox

M. Osada*, M. Kakihana, M. Käll, J. Bäckström, L. Börjesson, N. H. Andersen

*この研究の対応する著者

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Oxygen-deficient YBa2Cu3Ox (Y123) exhibits persistent photoconductivity when illuminated by visible light. We have investigated resonant Raman spectra as a function of excitation wavelength and temperature, which shed new light on photoinduced effects and chain oxygen dynamics in Y123. Experimental evidence suggests that the mechanism behind the unusual photoinduced effects primary involves photoinduced oxygen ordering. Our Raman data also constitute the non-diffraction observations of the superstructure phase transition in Y123.

本文言語English
ページ(範囲)545-548
ページ数4
ジャーナルPhysica C: Superconductivity and its Applications
364-365
DOI
出版ステータスPublished - 2001 11月
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学

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